Electrical, electrical wiring, and low voltage electrical work · California
SF Sierra Co. Inc. DBA Sierra Electric Co.
San Francisco, CA · ~55 workers · 2 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 4.0
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
SF Sierra Co. Inc. DBA Sierra Electric Co. runs at 143% of its industry's injury rate - more dangerous than the typical Electrical, electrical wiring, and low voltage electrical work workplace, earning a grade D.
SF Sierra Co. Inc. DBA Sierra Electric Co.: 4.0 TCR = 143% of Electrical, electrical wiring, and low voltage electrical work BLS 2.8 · 2y Form 300A (see methodology below)
SF Sierra Co. Inc. DBA Sierra Electric Co. safety composite
SF Sierra Co. Inc. DBA Sierra Electric Co. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 17%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).
31/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 4 per 100 workers
Safer than 31% of industry peers
- DART rate
- F 3.81 per 100 workers
Safer than 17% of industry peers
- Fatalities
- D 0
Safer than 51% of industry peers
Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).
TCR Δ
−0.4
2023→2024
SF Sierra Co. Inc. DBA Sierra Electric Co. injury rate improved
SF Sierra Co. Inc. DBA Sierra Electric Co.'s TCR fell 0.4 from 4.2 in 2023 to 3.8 in 2024. Peak filing year was 2023 at 4.2 TCR. In 2024, DART was 0.95× this establishment's average TCR (severity share of cases).
2023=4.2 · 2024=3.8
OSHA ITA Form 300A scorecard
Establishment book 238210 · San Francisco, CA ABOVE-IND · SMALL
Grade D · TCR 4.0 · 143% of ind
- DART 3.8 DART
- RANK #347/548
- PHOTO Whole Company - Powe…
- BOOK 2y book
- INJ 3 inj
- SIZE ~55 FTE
Nearest TCR peer: Whole Company - Power Plus! (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
SF Sierra Co. Inc. DBA Sierra Electric Co. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
SF Sierra Co. Inc. DBA Sierra Electric Co.
4 TCR
- Whole Company
Whole Company - Power Plus!
4 TCR
- TENNYSON ELECT
TENNYSON ELECTRIC LLC.
4 TCR
- CUPERTINO ELEC
CUPERTINO ELECTRIC, INC. - IN OPERATIONS
4 TCR
- Kimbrell Elect
Kimbrell Electric Inc
4 TCR
What this shows SF Sierra Co. Inc. DBA Sierra Electric Co. averages 4.0 TCR (143% of the Electrical, electrical wiring, and low voltage electrical work BLS benchmark).
SF Sierra Co. Inc. DBA Sierra Electric Co. TCR series: 2023=4.2 · 2024=3.8 · BLS 2.8
Where SF Sierra Co. Inc. DBA Sierra Electric Co. falls in its industry
4,550 Electrical, electrical wiring, establishmentsSafer than 31% of graded establishments in this industry, whose median TCR is 2.5.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #347 safest of 548 Electrical, electrical wiring, employers in California.
SF Sierra Co. Inc. DBA Sierra Electric Co. has fewer employees than the Electrical, electrical wiring, and low v median and a higher injury rate than the industry's median TCR of 2.5. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.
Year-by-Year Safety Data
| Year | TCR | DART | Injuries | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2024 | 3.8 | 3.8 | 1 | 0 | 0 |
| 2023 | 4.2 | 2.1 | 2 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238210 · CA · San Francisco
4,550 Electrical, electrical wiring, and low voltage electrical work employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,144 employers in San Francisco, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.
| Rel | Establishment | Metric |
|---|---|---|
| NAICS-TCR | Whole Company - Power Plus! | 4.0 TCR |
| NAICS-TCR | TENNYSON ELECTRIC LLC. | 4.0 TCR |
| NAICS-TCR | CUPERTINO ELECTRIC, INC. - IN OPERATIONS | 4.0 TCR |
| NAICS-TCR | Kimbrell Electric Inc | 4.0 TCR |
| STATE-SIZE | FARMING ADMINISTRATION | 55 FTE |
| STATE-SIZE | Dwelley Family Farms LLC | 55 FTE |
| STATE-SIZE | Tri-Valley Vineyard Management | 55 FTE |
| STATE-SIZE | Cornerstone Certified Vineyard | 55 FTE |
| CITY-NEAR | UC San Francisco | 18,070 FTE |
| CITY-NEAR | DoorDash, Inc. | 12,430 FTE |
| CITY-NEAR | UC San Francisco Health | 12,262 FTE |
| CITY-NEAR | SFO - Airport United Airlines Offices | 11,622 FTE |
| NAT-TCR | Atlantic Aviation - PHL | 4.0 TCR |
| NAT-TCR | Blackmon Mooring Company LLC | 4.0 TCR |
| NAT-TCR | Vincennes, in | 4.0 TCR |
| NAT-TCR | Ideal Electric Power Co. | 4.0 TCR |
| NAT-SIZE | Corporate | 55 FTE |
| NAT-SIZE | Pontiac - Advanced Technology Recycling | 55 FTE |
| NAT-SIZE | Premier PV | 55 FTE |
| NAT-SIZE | Teal Creek | 55 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.